


Win2008 PHP configuration environment setup tutorial
1. Preparation work
1. Software required:
MySQL database: This article uses MySQL-essential-5.0.45-win32.msi
PHP: This article uses php-5.2.4-Win32.zip
ZendOptimizer: This article uses ZendOptimizer-3.3.0-Windows-i386.exe
Search and download the above software online and place it in the same directory, such as: webtools (the same examples below)
2. Install IIS 7. The brief steps are as follows:
(1) In the Control Panel, select Programs - Turn Windows features on and off;
(2) Select Internet Information Service in the pop-up Windows function;
(3) Expand - World Wide Web Service - Application Development Function, select ISAPI extension (important);
(4) Automatically install after confirmation;
(5) Enter http://127.0.0.1 (your IP address) in the IE address bar, and you will see the welcome interface of IIS7 (Figure 1

2. PHP environment deployment strategy
1. MySQL database deployment
(1) Install MySQL database
Enter the X:Webtools directory and click MySQL-essential-5.0.45-win32.msi to start the installation, as shown in Figure 2:

Select Custom to customize the installation, as shown in Figure 3:

Select "Change" to change the MySQL installation location, as shown in Figure 4:

After the file copy is completed, enter the MySQL setting interface and click Finish, as shown in Figure 5:

Select Detailed Configuration, as shown in Figure 6:


php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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